Pith Number

pith:WM54MFCT

pith:2013:WM54MFCTBEWFRMYFJIL2FIZ3DM

not attested not anchored not stored refs pending

ADI splitting schemes for a fourth-order nonlinear partial differential equation from image processing

Bertram D\"uring, Carola-Bibiane Sch\"onlieb, Luca Calatroni

arxiv:1305.5362 v1 · 2013-05-23 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WM54MFCTBEWFRMYFJIL2FIZ3DM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:34:05.790399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b33bc61453092c58b3054a17a2a33b1b33f4394c9248132e90e382bebd03d2af

Aliases

arxiv: 1305.5362 · arxiv_version: 1305.5362v1 · doi: 10.48550/arxiv.1305.5362 · pith_short_12: WM54MFCTBEWF · pith_short_16: WM54MFCTBEWFRMYF · pith_short_8: WM54MFCT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WM54MFCTBEWFRMYFJIL2FIZ3DM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b33bc61453092c58b3054a17a2a33b1b33f4394c9248132e90e382bebd03d2af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7177dd6a6ebedc91db04b85ca0e881699d5aecbbd2eb9970c82f56edfee8175",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-23T09:48:32Z",
    "title_canon_sha256": "745f6c663ac735c5fdec7f793e424ddcfbbb989d68e8c3b8f77a6e6198fdc9e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5362",
    "kind": "arxiv",
    "version": 1
  }
}